TY - RPRT TI - Bronchial biopsies in asthma. An ultrastructural, quantitative study and correlation with hyperreactivity. AU - P K Jeffery AU - A J Wardlaw AU - F C Nelson AU - J V Collins AU - A B Kay PY - 1989 DO - 10.1164/ajrccm/140.6.1745 UR - https://pubmed.ncbi.nlm.nih.gov/2690708/ ID - 2690708 ER -